15 - 2 Accutorr 7 Operator’s Manual
15.2 Charging a Battery
The battery is charged whenever the monitor is connected to an AC power source
regardless of whether or not the monitor is turned on. When the battery is
charging, the AC power indicator and battery indicator are both On. If the monitor
is powered on, the battery status symbol on the monitor screen displays
when the charging is complete.
15.3 Replacing a Battery
1. Power off the monitor.
2. Open the battery compartment door.
3. Push aside the battery latch and remove the battery.
4. Place a new battery into the slot with its contact point inward.
5. Close the battery compartment door.
15.4 Battery Guidelines
Life expectancy of a battery depends on how frequently and how long it is used. For a
properly maintained and stored lithium ion battery, its life expectancy is about 3 years.
For more aggressive use models, life expectancy can be less. We recommend replacing
lithium- ion batteries after 500 full charge/discharge cycles or every 3 years from first
use, whichever occurs first.
To get the most out of the battery, observe the following guidelines:
■ The battery performance test must be performed once a year, before monitor
repairs, or whenever battery performance is suspect.
■ Condition the batteries
■ every three months, or when their run time becomes noticeably shorter.
■ Remove the battery before shipping the monitor or if it will not be used for an
extended period of time.
■ Remove the battery from the monitor if it is not being used regularly. (Leaving the
battery in a monitor that is not in regular use will shorten the battery life).
■ When storing batteries, make sure that the battery terminals do not come into
contact with metallic objects. If batteries are stored for an extended period of
time, they should be placed in a cool place with a partial charge of 40% to 60%
capacity. Storing batteries at a high temperature for an extended period of time
will significantly shorten the life expectancy of a battery. Do not store the battery
at a temperature beyond -20 °C - 60 °C (-4°F - 140°F).
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